Ershijiazi, Chaoyang (Jurassic to of China)

Also known as Chaoyangsaurus type

Where: Liaoning, China (42.9° N, 124.0° E: paleocoordinates 44.2° N, 126.3° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Tuchengzi Formation, Late/Upper Kimmeridgian to Late/Upper Kimmeridgian (155.7 - 132.9 Ma)

• possibly late Middle Jurassic based on conchostracans correlated with Bathonian non-marine conchostracans from northwest Scotland

•formation "attains a thickness of approximately 876-2,908 m."

• group of beds-level stratigraphic resolution

Environment/lithology: fluvial; gray, blue mudstone

• purple-grey sediments representing a river-facies

Size classes: macrofossils, mesofossils

Collection methods: quarrying, mechanical,

Primary reference: Z. Dong. 1992. Dinosaurian Faunas of China. China Ocean Press, Beijing 1-188 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 10755: authorized by Matthew Carrano, entered by Matthew Carrano on 19.06.2001, edited by Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

• conchostracan genera listed without species
unclassified
  -
Reptilia
 Ornithischia - Chaoyangsauridae
"Chaoyangosaurus liaosiensis n. gen. n. sp." = Chaoyangsaurus youngi
"Chaoyangosaurus liaosiensis n. gen. n. sp." = Chaoyangsaurus youngi Zhao et al. 1999 ceratopsian
 Saurischia -
Eusauropoda indet.1 Upchurch 1995 sauropod
IVPP V 12744 (near complete left metacarpus, comprising two carpals, five metacarpals, and four phalanges, as well as the distal end of the left radius,)